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北海道・道南の山奥で鶏50羽と暮らす|廃材DIY×オフグリッド自給自足の記録帳
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道南自給ライフの記録
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  1. Home
  2. Profile — How a Corporate Facility Engineer Built an Off-Grid Homestead in Hokkaido’s Wilderness

Profile — How a Corporate Facility Engineer Built an Off-Grid Homestead in Hokkaido’s Wilderness

Greetings from the deep mountain wilds of Hokkaido, Japan.
This is the raw, unvarnished story of why I walked away from a stable career as a corporate facility engineer in my 30s to reclaim five acres of abandoned wilderness completely on my own—building a self-reliant life and generating my own electricity, heat, water, and food from the ground up.

💡 Executive Summary
  • Walked away from a comfortable career as an industrial facility engineer to start from zero on five acres (two hectares) of raw mountain land in Southern Hokkaido.
  • Achieved genuine food autonomy with a pasture-raised flock of 50+ heritage hens on a zero-cost, circular feeding system (local rice byproducts and discarded produce).
  • Engineered total infrastructure resilience: DIY off-grid solar, 48V LiFePO4 battery storage, reclaimed timber structures, and wood-stove thermal mass.
  • Living alongside Seta, a rare primitive Jomon Shiba dog, thriving together through brutal sub-zero (-20°C / -4°F) northern winters.
  • This isn’t about rejecting modern society—it’s about grounding real freedom in physical craft, independent energy, and fresh pastured eggs as the ultimate community currency.
📖 Table of Contents
  • Introduction: A 36L Backpack and a -8°C Morning
  • Chapter 1: The Corporate Engineer Who Saw the Single Point of Failure
  • Chapter 2: Food & Life — Pasture-Raised Chickens and the Reality of Meat
  • Chapter 3: Energy & Physical Infrastructure — DIY Solar & Firewood Thermal Mass
  • Chapter 4: The Reality of Living Costs — Absolute Freedom on $100–$150 a Month
  • Chapter 5: Core Philosophy — Capitalism Isn’t Evil, But Face-to-Face Trust is Indestructible
  • Conclusion: Start by Cultivating Just One Millimeter of Soil Beneath Your Feet
  • FAQ: Severe Winter Realities, Living Costs, & Practical Homesteading Tips

A 36L Backpack and a -8°C Morning

Deep in the heavy snow country of Southern Hokkaido.

When winter arrives, sub-zero days are simply part of the daily routine. Under meters of deep powder snow lies this five-acre mountainside—the ground I now call home.

Before putting down roots here, my entire life fit inside a single 36-liter backpack. I drifted across Japan, sleeping in stealth camps and living out of the back of my Suzuki Jimny. That radical minimalism taught me everything: when you strip away the non-essential noise and rely strictly on your own hands and essential gear, what actually matters in life becomes razor-sharp.

All gear packed into a single 36L backpack
The original minimalist kit: Everything needed to survive packed into one 36L backpack.

💡 The Core of Radical Minimalism
Stripping down to absolute essentials clarifies your true compass. Surviving sub-zero stealth camping out of a single 36L pack laid the unshakeable foundation for carving out five acres of raw northern wilderness.

Today, I am no longer drifting. I have dug deep roots into this harsh northern soil—raising chickens, cultivating crops, splitting firewood, and running power tools charged entirely by off-grid solar.

People often tell me, “Once I retire, maybe I’ll move to the country and tend a peaceful little vegetable garden.”
Let me give it to you straight: If you wait until retirement, your physical body will never survive the work.

I poured all my physical stamina and engineering skills in my 20s and 30s into this ground, deliberately walking away from corporate stability to take a leap into the wild. No romantic illusions here—just raw physical reality, relentless trial and error, and practical self-reliance.

The overgrown wilderness before reclamation began
The 5-acre overgrown plot in Hokkaido when I first acquired it. No power, no water, just dense brush and raw wilderness.

Chapter 1: The Corporate Engineer Who Saw the System’s Single Point of Failure

In my former career, I worked as a facility engineer for a major corporation, responsible for commissioning, troubleshooting, and repairing heavy industrial machinery, hydraulic systems, pneumatic circuits, PLC automation, and high-voltage power grids.

In maintenance engineering, you live and breathe Root Cause Analysis—asking “Why?” five times until you hit bedrock truth. When the global pandemic hit and fractured international supply chains, my engineering instincts fired: Why is modern society so catastrophically fragile?

Digging through official agricultural statistics and logistics data exposed an undeniable truth: modern urban civilization rests on extreme, precarious dependency. In Japan, calorie-based food self-sufficiency hovers around 38%, while commercial livestock feed grain self-sufficiency sits at a staggering 13%. Almost all animal feed crosses vulnerable ocean shipping routes.

In engineering terms, that is a classic Single Point of Failure (SPOF) with zero redundancy. If an international bottleneck or fuel crisis strikes, supermarket shelves empty out within 72 hours.

“Do I spend the next thirty years keeping fragile corporate machines on life support, or do I use these engineering hands to build an independent food and energy foundation of my own?”
The decision was crystal clear: “Build real self-sufficiency.”

🛠️ Raw Land Reclamation
Piles of scrap wood and debris cleared by hand

The property was buried under decades of collapsed timber, rusted sheet metal, and impenetrable thorn thickets. It took nearly a full year of backbreaking manual labor just to clear debris, salvage reusable lumber, and carve out a building pad.


Chapter 2: Food & Life — Pasture-Raised Chickens and the Reality of Meat

My journey into homestead farming kicked off with a spark of pure frustration: empty egg shelves at the supermarket. Staring at those bare wire racks ignited an obsession: “Why rely on a broken supply chain when I can produce the most nourishing eggs right here?”

A timely encounter with an elderly farmer retiring from natural poultry keeping allowed me to take over 32 heritage hens. I scrambled against the clock—designing, welding, and anchoring a sturdy greenhouse-pipe coop before the flock arrived.

It was also around this time that I met my partner in the wild: Seta, a rare primitive Jomon Shiba dog. Unlike bred-down modern pets, Jomon Shibas retain ancient wolf-like skull proportions, athletic agility, and intense natural protective instincts. Seta alerts me to mountain predators (foxes, birds of prey, wild boars) and patrols the property tirelessly off-leash.

📸 The Transformation: From Ruin to Living Homestead
Overgrown forest and debris before coop construction
BEFORE: Dense overgrown forest, weeds, and collapsed building rubble.

⬇️ Transformed Completely by Hand ⬇️

Finished free-range chicken coop with guardian dog Seta
AFTER: The completed arched-pipe chicken coop, healthy free-range flock, and guardian dog Seta.

Today, my flock has grown to over 50 birds. Unlike commercial battery cages, my hens forage freely outdoors under open skies, grazing native green pasture, scratching for insects, and thriving on a $0 circular diet made from local broken rice (kuzumai), fresh rice bran (komenuka), and discarded fish and produce from neighboring farms.

Fresh pastured eggs in nest boxes
Warm, nutrient-dense pastured eggs gathered fresh every single morning.

A chicken’s internal body temperature runs at 41°C (106°F). Their crop serves as a natural lactic acid fermentation chamber, and their cecum breaks down tough crude fibers with ease. By feeding whole, clean, local ingredients, their own biological vitality handles digestion internally. Zero imported commercial feed, zero preventative antibiotics, zero feed bills.

Naturally brooded chicks on pasture
Next-generation chicks hatched naturally on our farm, thriving in the grass.

Chapter 3: Energy & Physical Infrastructure — DIY Solar & Firewood Thermal Mass

Surviving northern winters off-grid isn’t romantic poetry—it’s an engineering challenge. Along with secure food, decentralized power and heat form the foundational pillars of true self-sufficiency.

DIY Off-Grid Solar & The Cordless Tool Ecosystem

Even if you maintain a grid connection for backup, the deep peace of mind that comes from knowing you can generate your own power changes the entire rhythm of life.

DIY rooftop solar panels on greenhouse cabin with Jimny
Rooftop solar panels installed on the greenhouse cabin, alongside my trusty Suzuki Jimny.

My off-grid electrical setup pairs high-efficiency solar arrays with a heavy-duty 48V LiFePO4 (Lithium Iron Phosphate) server-rack battery bank and an all-in-one hybrid pure sine wave inverter, ensuring rock-solid stability even through severe winter blizzards.

Off-grid battery setup
The DIY LiFePO4 battery hub: Unfailing resilience when the commercial grid collapses during sub-zero storms.
LVYUAN hybrid solar inverter
LVYUAN Hybrid Solar Inverter managing solar harvest, battery bank charging, and 100V/200V AC output.

Where this system truly proves its worth is powering our 100% cordless brushless tool ecosystem (Makita 18V/40V platform):

  • Brushless Cordless Chainsaws (felling standing timber and bucking firewood)
  • Brushless String Trimmers & Brush Cutters (clearing 5 acres of brush perimeter)
  • High-Torque Impact Drivers & Angle Grinders (steel framing and coop fabrication)

Every single battery recharges directly from our solar harvest. As long as the sun rises, our fuel and power costs are literally $0. If gas stations run dry during an emergency, our property maintenance and wood processing continue uninterrupted.

💡 The Golden Formula of Off-Grid Energy
Rooftop solar × ultra-safe LiFePO4 storage × cordless brushless tools. This combination permanently decouples your homestead from rising utility bills and fossil fuel logistics bottlenecks.


Surviving -20°C Winters with Firewood Thermal Mass

Winter in Southern Hokkaido takes no prisoners. Temperatures routinely plunge to -15°C to -20°C (-4°F). Trying to heat a drafty northern structure with electric resistance or grid heat pumps under such conditions would bankrupt you in monthly bills.

My frontline winter heating is a high-efficiency cast-iron wood stove. Deadfall cleared from our acreage and hazard trees thinned from neighboring timber stands are bucked, split, and seasoned in custom-built steel pipe firewood fortresses.

Heavy-duty firewood racks built with reclaimed steel pipes
Heavy-duty firewood fortress built with reclaimed scaffolding pipes, stacked with seasoned split hardwood for winter heat.

Even when knee-deep powder snow buries the tracks and blizzards howl outside, that cast-iron stove radiates deep, bone-warming thermal mass. Seta patrols the property fearlessly through the snow, knowing the warm hearth is always waiting.

Jomon Shiba dog Seta in deep snow
Sub-zero blizzard patrol in Southern Hokkaido: Seta moving effortlessly through knee-deep powder snow.

Chapter 4: The Reality of Living Costs — Absolute Freedom on $100–$150 a Month

Today, I don’t report to an employer or wait on a corporate paycheck. My baseline monthly living expenses run approximately $100 to $150 (¥10,000–¥20,000):

  • Food: Fresh pastured eggs, homegrown vegetables, wild edibles, and community trades cover the vast majority (the grocery store is only for salt, oil, and spices).
  • Utilities: Wood stove for winter heating, off-grid solar for all electrical power = virtually zero.
  • Housing: Outright-owned land, built and maintained with salvaged lumber and reclaimed steel pipe = $0 rent, $0 mortgage.

The exact dollar figure isn’t the point. What matters is the unshakeable certainty rooted in your gut: “Even if the economy falls apart tomorrow, I can live richly and securely on almost nothing.” That tangible physical security is what real freedom feels like.

Ketch
Ketch
Off-Grid Homesteader
Hello & welcome!
Former corporate employee living off-grid in the sub-zero mountains of southern Hokkaido, Japan.

Living sustainably on 2 hectares of reclaimed land with 50 naturally hatched chickens and a loyal Jomon Shiba dog. Powered 100% by off-grid solar energy & DIY ingenuity.

Sharing real-world blueprints, low-tech wisdom, and authentic off-grid life from the northern wilderness.
🌲 OFFICIAL LINKS
☕ Buy Me a Coffee (Support the Farm & Shiba) ›
Popular articles
  • My 36L Pack: Beating Hokkaido’s Sub-Zero Nights with a Multi-Layer Sleep System
  • The Engine of Freedom: How One Old Rig Drove Me Off-Grid to a Hokkaido Homestead
  • Winter’s Fury, Predator’s Snarl: Forging a 100-Bird Coop in Hokkaido’s Wild Heart
  • Hokkaido Winter: One Pack, One Jimny, Unyielding Survival
  • Blood, Sweat, and Feathers: The Hard-Won Lessons of Expanding My Off-Grid Flock to 50 Birds
KETCH Homestead & Off-Grid

Living off-grid in the snowy wilderness of Hokkaido, Japan with 50 chickens and a loyal Jomon Shiba dog.

Sharing real-world records of reclaimed land DIY, 100% solar power, zero-cost natural chicken farming, and sub-zero winter survival.

Categories
  • DIYとものづくり (DIY & Crafting)
  • オフグリッド生活 (Off-Grid Living)
  • 北海道の暮らし (Hokkaido Life)
  • 畑と開墾の記録 (Farming & Reclamation)
  • 縄文柴犬との暮らし (Jomon Shiba Life)
  • 自給自足の考え方 (Thoughts on Self-Sufficiency)
  • 鶏との暮らし (Chicken Life)

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